Coding Interview Resources
This channel contains the free resources and solution of coding problems which are usually asked in the interviews. Managed by: @love_data
Ko'proq ko'rsatish📈 Telegram kanali Coding Interview Resources analitikasi
Coding Interview Resources (@crackingthecodinginterview) Ingliz til segmentidagi kanali faol ishtirokchi. Hozirda hamjamiyat 52 008 obunachidan iborat bo'lib, Texnologiyalar & Aralashmalar toifasida 2 567-o'rinni va Hindiston mintaqasida 6 816-o'rinni egallagan.
📊 Auditoriya ko‘rsatkichlari va dinamika
невідомо sanasidan buyon loyiha tez o‘sib, 52 008 obunachiga ega bo‘ldi.
27 Oktabr, 2026 dagi oxirgi ma’lumotlarga ko‘ra kanal barqaror faollikka ega. Oxirgi 30 kunda obunachilar soni -200 ga, so‘nggi 24 soatda esa -26 ga o‘zgardi va umumiy qamrov yuqori darajada qolmoqda.
- Tasdiqlash holati: Tasdiqlanmagan
- Jalb etish (ER): Auditoriya o‘rtacha 2.10% darajada jalb etiladi. Nashrdan keyingi dastlabki 24 soatda kontent odatda umumiy obunachilar sonining 0.64% ini tashkil etuvchi reaksiyalarni to‘playdi.
- Post qamrovi: Har bir post o‘rtacha 1 091 marta ko‘riladi; birinchi sutkada odatda 331 ta ko‘rish yig‘iladi.
- Reaksiyalar va o‘zaro ta’sir: Auditoriya faol: har bir postga o‘rtacha 2 ta reaksiya keladi.
- Tematik yo‘nalishlar: Kontent array, stack, algorithm, programming, sort kabi asosiy mavzularga jamlangan.
📝 Tavsif va kontent siyosati
Muallif resursni shaxsiy fikrni ifoda etish maydoni sifatida ta’riflaydi:
“This channel contains the free resources and solution of coding problems which are usually asked in the interviews.
Managed by: @love_data”
Yuqori yangilanish chastotasi (oxirgi ma’lumot 28 Oktabr, 2026 da olingan) sababli kanal doimo dolzarb va katta qamrovli bo‘lib qoladi. Analitika auditoriya kontent bilan faol hamkorlik qilishini, uni Texnologiyalar & Aralashmalar toifasidagi muhim ta’sir nuqtasiga aylantirishini ko‘rsatadi.
function findDuplicates(arr) {
const seen = new Set();
const dups = new Set();
for (let num of arr) {
if (seen.has(num)) dups.add(num);
else seen.add(num);
}
return Array.from(dups);
}
Space optimized: Sort O(n log n) then scan adjacent equals.
📈 5️⃣ What is binary search and when would you use it?
✅ Answer:
Binary search finds target in sorted array in O(log n) by repeatedly dividing search interval in half:
mid = (left + right) / 2
If arr[mid] == target return mid
If arr[mid] < target search right half
Else search left half
Use when: Data naturally sorted or sorting cost acceptable. Iterative version avoids recursion stack overflow.
📊 6️⃣ How do you reverse a linked list?
✅ Answer:
Iterative O(n) solution flipping next pointers:function reverseList(head) {
let prev = null, curr = head;
while (curr) {
let nextTemp = curr.next;
curr.next = prev;
prev = curr;
curr = nextTemp;
}
return prev;
}
Recursive: reverseList(curr.next).then(curr.next.prev = curr, curr.next = null).
📉 7️⃣ What is recursion and why is the base case important?
✅ Answer:
Recursion is a function calling itself with modified arguments until base case stops it. Without base case → stack overflow.
Example Fibonacci:function fib(n) {
if (n <= 1) return n; // Base case
return fib(n-1) + fib(n-2);
}
Memoization optimizes overlapping subproblems.
📊 8️⃣ How do you merge two sorted arrays?
✅ Answer:
Two-pointer technique O(n+m):function mergeSorted(a1, a2) {
let i=0, j=0, result = [];
while (i < a1.length && j < a2.length) {
if (a1[i] < a2[j]) result.push(a1[i++]);
else result.push(a2[j++]);
}
return result.concat(a1.slice(i)).concat(a2.slice(j));
}
Handles unequal lengths cleanly.
🧠 9️⃣ How do you detect a cycle in a linked list?
✅ Answer:
Floyd's Tortoise & Hare: Slow moves 1 step, fast moves 2. If they meet → cycle.
To find start: Reset slow to head, move both 1 step until meet.function hasCycle(head) {
let slow = head, fast = head;
while (fast && fast.next) {
slow = slow.next;
fast = fast.next.next;
if (slow === fast) return true;
}
return false;
}5 == '5' is true, but 5 === '5' is false.
3️⃣ Q: Explain the Box Model in CSS.
A: The CSS Box Model consists of:
- *Content* → The actual text/image
- *Padding* → Space around content
- *Border* → Around the padding
- *Margin* → Space outside the border
4️⃣ Q: What are the different HTTP methods?
A: Common methods:
- *GET* → Retrieve data
- *POST* → Send data
- *PUT* → Update existing data
- *DELETE* → Remove data
5️⃣ Q: What is the difference between null and undefined in JavaScript?
A:
- null → Assigned value meaning “no value”
- undefined → A variable that has been declared but not assigned a value
6️⃣ Q: What is responsive design?
A: It makes web pages look good on all devices (mobile, tablet, desktop) using CSS media queries and flexible layouts.
7️⃣ Q: What is the role of JavaScript in web development?
A: JavaScript adds interactivity to web pages — like dropdowns, sliders, form validation, etc.
8️⃣ Q: What is DOM?
A: The Document Object Model represents the page structure in a tree format, allowing JavaScript to interact with and manipulate HTML/CSS dynamically.
👍 Tap ❤️ for more!Dear [Recruiter’s Name],
I hope this email finds you doing well. I wanted to take a moment to express my sincere gratitude for the time and consideration you have given me throughout the recruitment process for the [position] role at [company].
I understand that you must be extremely busy and receive countless applications, so I wanted to reach out and follow up on the status of my application. If it’s not too much trouble, could you kindly provide me with any updates or feedback you may have?
I want to assure you that I remain genuinely interested in the opportunity to join the team at [company] and I would be honored to discuss my qualifications further. If there are any additional materials or information you require from me, please don’t hesitate to let me know.
Thank you for your time and consideration. I appreciate the effort you put into recruiting and look forward to hearing from you soon.
Warmest regards,
(Tap to copy)